<template>
	<div id="app">
		<h3>案例：折叠面板</h3>
		<div>
			<div class="title">
				<h4>芙蓉楼送辛渐</h4>
				<span class="btn">
					收起
				</span>
			</div>
			<div class="container">
				<p>寒雨连江夜入吴,</p>
				<p>平明送客楚山孤。</p>
				<p>洛阳亲友如相问，</p>
				<p>一片冰心在玉壶。</p>
			</div>
		</div>
	</div>
</template>

<script>
	export default {
		data() {
			return {

			}
		}
	}
</script>

<style lang="less">
	body {
		background-color: #ccc;

		#app {
			width: 400px;
			margin: 20px auto;
			background-color: #fff;
			border: 4px solid blueviolet;
			border-radius: 1em;
			box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5);
			padding: 1em 2em 2em;

			h3 {
				text-align: center;
			}

			.title {
				display: flex;
				justify-content: space-between;
				align-items: center;
				border: 1px solid #ccc;
				padding: 0 1em;
			}

			.title h4 {
				line-height: 2;
				margin: 0;
			}

			.container {
				border: 1px solid #ccc;
				padding: 0 1em;
			}

			.btn {
				/* 鼠标改成手的形状 */
				cursor: pointer;
			}
		}
	}
</style>
